[Public-List] Hinged Mast Step
Jonathan Bresler
262alberg30 at gmail.com
Fri Dec 29 10:43:23 PST 2017
Count me in. Would be glad to help and to learn.
Jonathan
On Fri, Dec 29, 2017 at 10:00 AM, Chris Martin via Public-List <
public-list at lists.alberg30.org> wrote:
> Mike
> Thanks for speaking up. Now that its in the open, who's up for a mast
> up/down? :) its another thing in my list.
> Chris
> On Thursday, December 28, 2017, 11:42:24 AM EST, Mike Lehman via
> Public-List <public-list at lists.alberg30.org> wrote:
>
> The Alberg 30 Association has an A-frame for removing the mast. I am the
> keeper of the a-frame and have removed and installed about 50 masts with
> it. The ideal number of people to operate it is 3. It takes about an hour+
> to set it up and only minutes to lower or raise a mast. Detailed
> instructions are on the website at
> http://www.alberg30.org/maintenance/SparsSailsRigging/
> UnsteppingMast/9-TakeDownMast.html
> .
>
>
>
> On Thu, Dec 28, 2017 at 10:05 AM, Wes Gardner via Public-List <
> public-list at lists.alberg30.org> wrote:
>
> > Hi Gerard,
> >
> > Would you consider just building the A frame as you’ve suggested and
> > leaving everything else the same? I know some of the folks here on the
> East
> > coast have such an arrangement...I think it DOES Require more than one
> > person.
> >
> > Wes
> >
> >
> > Sent from my iPad
> >
> > > On Dec 27, 2017, at 11:37 PM, Gerard Kuperus via Public-List <
> > public-list at lists.alberg30.org> wrote:
> > >
> > > Hello all,
> > >
> > >
> > > Inspired by Yves Gelinas (as well as by my fear of heights) I am
> > thinking about installing a hinged mast base. It would allow me to
> inspect
> > once in a while and to do maintenance or solve problems up there. I would
> > use an A-Frame (two 10' galvanized pipes bolted together) attached to the
> > forestay or jib halyard, take the front lowers off, and ease some tension
> > on the uppers (I guess) and slowly lower with a block and tackle
> (possibly
> > the mainsheet). I am sure some of you have a system set up, so here are
> my
> > questions:
> > >
> > > - the existing baseplate (the aluminum piece on which the mast sits) is
> > rather large. I found Ballenger makes hinged mast steps, with a topplate
> > that is 8" x 5.5" (see http://ballengerspars.com/) .This looks like a
> > sturdy unity with the top and base plates on top of one another, but how
> do
> > I attach the alluminum base to this (mine is the standard one with 4 big
> > bolts). Having the nuts under the topplate would make it non-functional.
> > >
> > > - If I could somehow figure out how to attach these (or get another
> mast
> > base that can be screwed on) it seems that the hinge should be as close
> to
> > the mast as possible. If the pivot point is far aft the shrouds would
> need
> > to be loosened quite a bit (since the mast would first go up). Or do I
> not
> > get that right?
> > >
> > > - So, it seems I need a smaller mast base. Ballenger does have a
> smaller
> > hinged mast step. Not sure where I can find a mast base for a 6 x 3.6
> > extrusion, but I am sure it is out there.
> > >
> > > - Another option is the hinge made by Dwyer (see for example here:
> > http://www.downwindmarine.com/Dwyer-Hinged-Mast-Plates-
> > Stainless-Steel-p-90890668.html). Now the biggest one is 6.5. The Alberg
> > 30 mast would just fit on that.
> > >
> > > - A custom option is possible, but I think Ballenger makes a pretty
> > solid product.
> > >
> > >
> > > Any thoughts on my thoughts? Would I be right in getting a smaller mast
> > base and then go for a hinged mast step that is about 6.5 x 4?
> > >
> > >
> > > Thanks,
> > >
> > >
> > > Gerard
> > >
> > > Skye Mist
> > >
> > > San Francisco Bay Area
> > >
> > >
> > >
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> >
>
>
>
> --
> Mike Lehman
> ~~~_/)_/)~~_/)~~~
> _______________________________________________
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--
Jonathan M Bresler
S/V Constance Alberg 30 #262
Annapolis/Eastport MD
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